Bolshoi acid attack

Bolshoi Ballet

Damir Yusupov / AFP/Getty Images

Pavel Dmitrichenko is seen performing as the titular Ivan the Terrible of the Prokofiev ballet in November at the Bolshoi Theatre in Moscow. Dmitrichenko has confessed on video to being behind January's acid attack on Bolshoi Ballet artistic director Sergei Filin.

Pavel Dmitrichenko is seen performing as the titular Ivan the Terrible of the Prokofiev ballet in November at the Bolshoi Theatre in Moscow. Dmitrichenko has confessed on video to being behind January's acid attack on Bolshoi Ballet artistic director Sergei Filin. (Damir Yusupov / AFP/Getty Images)

Anzhelina Vorontsova (in purple), the girlfriend of Pavel Dmitrichenko and also a Bolshoi dancer, was in conflict with artistic director Sergei Filin over not getting roles she wanted, a fellow company dancer who spoke on condition of anonymity told The Times.

Anzhelina Vorontsova (in purple), the girlfriend of Pavel Dmitrichenko and also a Bolshoi dancer, was in conflict with artistic director Sergei Filin over not getting roles she wanted, a fellow company dancer who spoke on condition of anonymity told The Times. (Alexander Zemlianichenko / AP)